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Stock Options - Options Granted Under The Stock Option Plan Exercisable In Canadian Dollars And U.S Dollars (Details) - $ / shares shares in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Employee Options |  |
Vesting period | 3 years |
Expiration term | 10 years |
Currency, U.S. Dollar [Member] |  |
Number of Options Outstanding and Exercisable at Beginning | 4,259 | 2,952
Number of Options Granted | 1,015 | 1,412
Number of Options Exercised | (273) | (11)
Number of Options Forfeited | (462) | (94)
Number of Options Outstanding and Exercisable at Ending | 4,539 | 4,259
Weighted Average Exercise Price Outstanding and Exercisable at Beginning | $ 5.13 | $ 4.82
Weighted- Average Granted | 6.50 | 5.93
Weighted- Average Exercised | 3.29 | 3.15
Weighted- Average Forfeited or expired | 6.79 | 7.79
Weighted Average Exercise Price Outstanding and Exercisable at Ending | 5.43 | 5.13
Currency, U.S. Dollar [Member] | Minimum |  |
Outstanding and Exercisable Range | 0.45 | 0.45
Granted Range | 5.59 | 4.08
Exercised Range | 0.45 | 1.05
Forfeited or expired Range | 5.59 | 7.40
Outstanding and Exercisable Range | 0.45 | 0.45
Currency, U.S. Dollar [Member] | Maximum |  |
Outstanding and Exercisable Range | 12.59 | 12.59
Granted Range | 8.10 | 7.53
Exercised Range | 8.38 | 5.10
Forfeited or expired Range | 8.10 | 8.09
Outstanding and Exercisable Range | $ 12.59 | $ 12.59

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References No definition available. + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References No definition available. + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Net number of share options (or share units) granted during the period. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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